| /* |
| * Copyright (c) 2009, Google Inc. |
| * All rights reserved. |
| * Copyright (c) 2009-2011, Code Aurora Forum. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google, Inc. nor the names of its contributors |
| * may be used to endorse or promote products derived from this |
| * software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #include <debug.h> |
| #include <dev/keys.h> |
| #include <dev/gpio_keypad.h> |
| #include <dev/gpio.h> |
| #include <lib/ptable.h> |
| #include <dev/flash.h> |
| #include <smem.h> |
| #include <mmc.h> |
| #include <platform/timer.h> |
| #include <platform/iomap.h> |
| #include <platform/gpio.h> |
| #include <baseband.h> |
| #include <reg.h> |
| #include <platform.h> |
| #include <gsbi.h> |
| #include <platform/scm-io.h> |
| |
| #define LINUX_MACHTYPE_8660_SURF 2755 |
| #define LINUX_MACHTYPE_8660_FFA 3017 |
| #define LINUX_MACHTYPE_8660_FLUID 3124 |
| #define LINUX_MACHTYPE_8660_QT 3298 |
| #define LINUX_MACHTYPE_8660_CHARM_SURF 3181 |
| #define LINUX_MACHTYPE_8660_CHARM_FFA 3199 |
| #define LINUX_MACHTYPE_8x60_DRAGON 3586 |
| |
| static const uint8_t uart_gsbi_id = GSBI_ID_12; |
| |
| void keypad_init(void); |
| extern void dmb(void); |
| |
| int target_is_emmc_boot(void); |
| void debug_led_write(char); |
| char debug_led_read(); |
| uint32_t platform_id_read (void); |
| void setup_fpga(void); |
| int pm8901_reset_pwr_off(int reset); |
| int pm8058_reset_pwr_off(int reset); |
| int pm8058_rtc0_alarm_irq_disable(void); |
| static void target_shutdown_for_rtc_alarm(void); |
| void target_init(void) |
| { |
| target_shutdown_for_rtc_alarm(); |
| dprintf(INFO, "target_init()\n"); |
| |
| setup_fpga(); |
| |
| /* Setting Debug LEDs ON */ |
| debug_led_write(0xFF); |
| #if (!ENABLE_NANDWRITE) |
| keys_init(); |
| keypad_init(); |
| #endif |
| |
| /* Display splash screen if enabled */ |
| #if DISPLAY_SPLASH_SCREEN |
| display_init(); |
| dprintf(SPEW, "Diplay initialized\n"); |
| display_image_on_screen(); |
| #endif |
| |
| if(mmc_boot_main(MMC_SLOT,MSM_SDC1_BASE)) |
| { |
| dprintf(CRITICAL, "mmc init failed!"); |
| ASSERT(0); |
| } |
| } |
| |
| unsigned board_machtype(void) |
| { |
| struct smem_board_info_v5 board_info_v5; |
| struct smem_board_info_v6 board_info_v6; |
| unsigned int board_info_len = 0; |
| unsigned smem_status = 0; |
| unsigned format = 0; |
| unsigned id = 0; |
| unsigned hw_platform = 0; |
| unsigned fused_chip = 0; |
| unsigned platform_subtype = 0; |
| static unsigned mach_id = 0xFFFFFFFF; |
| |
| if(mach_id != 0xFFFFFFFF) |
| return mach_id; |
| /* Detect external msm if this is a "fusion" */ |
| smem_status = smem_read_alloc_entry_offset(SMEM_BOARD_INFO_LOCATION, |
| &format, sizeof(format), 0); |
| if(!smem_status) |
| { |
| if (format == 5) |
| { |
| board_info_len = sizeof(board_info_v5); |
| |
| smem_status = smem_read_alloc_entry(SMEM_BOARD_INFO_LOCATION, |
| &board_info_v5, board_info_len); |
| if(!smem_status) |
| { |
| fused_chip = board_info_v5.fused_chip; |
| id = board_info_v5.board_info_v3.hw_platform; |
| } |
| } |
| else if (format == 6) |
| { |
| board_info_len = sizeof(board_info_v6); |
| |
| smem_status = smem_read_alloc_entry(SMEM_BOARD_INFO_LOCATION, |
| &board_info_v6, board_info_len); |
| if(!smem_status) |
| { |
| fused_chip = board_info_v6.fused_chip; |
| id = board_info_v6.board_info_v3.hw_platform; |
| platform_subtype = board_info_v6.platform_subtype; |
| } |
| } |
| } |
| |
| /* Detect SURF v/s FFA v/s Fluid */ |
| switch(id) |
| { |
| case 0x1: |
| hw_platform = HW_PLATFORM_SURF; |
| break; |
| case 0x2: |
| hw_platform = HW_PLATFORM_FFA; |
| break; |
| case 0x3: |
| hw_platform = HW_PLATFORM_FLUID; |
| break; |
| case 0x6: |
| hw_platform = HW_PLATFORM_QT; |
| break; |
| case 0xA: |
| hw_platform = HW_PLATFORM_DRAGON; |
| break; |
| default: |
| /* Writing to Debug LED register and reading back to auto detect |
| SURF and FFA. If we read back, it is SURF */ |
| debug_led_write(0xA5); |
| |
| if((debug_led_read() & 0xFF) == 0xA5) |
| { |
| debug_led_write(0); |
| hw_platform = HW_PLATFORM_SURF; |
| } |
| else |
| hw_platform = HW_PLATFORM_FFA; |
| }; |
| |
| /* Use platform_subtype or fused_chip information to determine machine id */ |
| if (format >= 6) |
| { |
| switch(platform_subtype) |
| { |
| case HW_PLATFORM_SUBTYPE_CSFB: |
| case HW_PLATFORM_SUBTYPE_SVLTE2A: |
| if (hw_platform == HW_PLATFORM_SURF) |
| mach_id = LINUX_MACHTYPE_8660_CHARM_SURF; |
| else if (hw_platform == HW_PLATFORM_FFA) |
| mach_id = LINUX_MACHTYPE_8660_CHARM_FFA; |
| break; |
| default: |
| if (hw_platform == HW_PLATFORM_SURF) |
| mach_id = LINUX_MACHTYPE_8660_SURF; |
| else if (hw_platform == HW_PLATFORM_FFA) |
| mach_id = LINUX_MACHTYPE_8660_FFA; |
| else if (hw_platform == HW_PLATFORM_FLUID) |
| mach_id = LINUX_MACHTYPE_8660_FLUID; |
| else if (hw_platform == HW_PLATFORM_QT) |
| mach_id = LINUX_MACHTYPE_8660_QT; |
| else if (hw_platform == HW_PLATFORM_DRAGON) |
| mach_id = LINUX_MACHTYPE_8x60_DRAGON; |
| } |
| } |
| else if (format == 5) |
| { |
| switch(fused_chip) |
| { |
| case UNKNOWN: |
| if (hw_platform == HW_PLATFORM_SURF) |
| mach_id = LINUX_MACHTYPE_8660_SURF; |
| else if (hw_platform == HW_PLATFORM_FFA) |
| mach_id = LINUX_MACHTYPE_8660_FFA; |
| else if (hw_platform == HW_PLATFORM_FLUID) |
| mach_id = LINUX_MACHTYPE_8660_FLUID; |
| else if (hw_platform == HW_PLATFORM_QT) |
| mach_id = LINUX_MACHTYPE_8660_QT; |
| else if (hw_platform == HW_PLATFORM_DRAGON) |
| mach_id = LINUX_MACHTYPE_8x60_DRAGON; |
| break; |
| |
| case MDM9200: |
| case MDM9600: |
| if (hw_platform == HW_PLATFORM_SURF) |
| mach_id = LINUX_MACHTYPE_8660_CHARM_SURF; |
| else if (hw_platform == HW_PLATFORM_FFA) |
| mach_id = LINUX_MACHTYPE_8660_CHARM_FFA; |
| break; |
| |
| default: |
| mach_id = LINUX_MACHTYPE_8660_FFA; |
| } |
| } |
| |
| return mach_id; |
| } |
| |
| void shutdown_device() |
| { |
| gpio_config_pshold(); |
| pm8058_reset_pwr_off(0); |
| pm8901_reset_pwr_off(0); |
| |
| writel(0, MSM_PSHOLD_CTL_SU); |
| mdelay(10000); |
| dprintf(CRITICAL, "Shutdown failed\n"); |
| } |
| |
| void reboot_device(unsigned reboot_reason) |
| { |
| /* Reset WDG0 counter */ |
| writel(1,MSM_WDT0_RST); |
| /* Disable WDG0 */ |
| writel(0,MSM_WDT0_EN); |
| /* Set WDG0 bark time */ |
| writel(0x31F3,MSM_WDT0_BT); |
| /* Enable WDG0 */ |
| writel(3,MSM_WDT0_EN); |
| dmb(); |
| /* Enable WDG output */ |
| secure_writel(3,MSM_TCSR_BASE + TCSR_WDOG_CFG); |
| mdelay(10000); |
| dprintf (CRITICAL, "Rebooting failed\n"); |
| return; |
| } |
| |
| unsigned check_reboot_mode(void) |
| { |
| unsigned restart_reason = 0; |
| void *restart_reason_addr = (void *) 0x2A05F65C; |
| |
| /* Read reboot reason and scrub it */ |
| restart_reason = readl(restart_reason_addr); |
| writel(0x00, restart_reason_addr); |
| |
| return restart_reason; |
| } |
| |
| void target_battery_charging_enable(unsigned enable, unsigned disconnect) |
| { |
| } |
| |
| void setup_fpga() |
| { |
| writel(0x147, GPIO_CFG133_ADDR); |
| writel(0x144, GPIO_CFG135_ADDR); |
| writel(0x144, GPIO_CFG136_ADDR); |
| writel(0x144, GPIO_CFG137_ADDR); |
| writel(0x144, GPIO_CFG138_ADDR); |
| writel(0x144, GPIO_CFG139_ADDR); |
| writel(0x144, GPIO_CFG140_ADDR); |
| writel(0x144, GPIO_CFG141_ADDR); |
| writel(0x144, GPIO_CFG142_ADDR); |
| writel(0x144, GPIO_CFG143_ADDR); |
| writel(0x144, GPIO_CFG144_ADDR); |
| writel(0x144, GPIO_CFG145_ADDR); |
| writel(0x144, GPIO_CFG146_ADDR); |
| writel(0x144, GPIO_CFG147_ADDR); |
| writel(0x144, GPIO_CFG148_ADDR); |
| writel(0x144, GPIO_CFG149_ADDR); |
| writel(0x144, GPIO_CFG150_ADDR); |
| writel(0x147, GPIO_CFG151_ADDR); |
| writel(0x147, GPIO_CFG152_ADDR); |
| writel(0x147, GPIO_CFG153_ADDR); |
| writel(0x3, GPIO_CFG154_ADDR); |
| writel(0x147, GPIO_CFG155_ADDR); |
| writel(0x147, GPIO_CFG156_ADDR); |
| writel(0x147, GPIO_CFG157_ADDR); |
| writel(0x3, GPIO_CFG158_ADDR); |
| |
| writel(0x00000B31, EBI2_CHIP_SELECT_CFG0); |
| writel(0xA3030020, EBI2_XMEM_CS3_CFG1); |
| } |
| |
| void debug_led_write(char val) |
| { |
| writeb(val,SURF_DEBUG_LED_ADDR); |
| } |
| |
| char debug_led_read() |
| { |
| return readb(SURF_DEBUG_LED_ADDR); |
| } |
| |
| unsigned target_baseband() |
| { |
| struct smem_board_info_v5 board_info_v5; |
| struct smem_board_info_v6 board_info_v6; |
| unsigned int board_info_len = 0; |
| unsigned smem_status = 0; |
| unsigned format = 0; |
| unsigned baseband = BASEBAND_MSM; |
| |
| smem_status = smem_read_alloc_entry_offset(SMEM_BOARD_INFO_LOCATION, |
| &format, sizeof(format), 0); |
| if(!smem_status) |
| { |
| if (format == 5) |
| { |
| board_info_len = sizeof(board_info_v5); |
| |
| smem_status = smem_read_alloc_entry(SMEM_BOARD_INFO_LOCATION, |
| &board_info_v5, board_info_len); |
| if(!smem_status) |
| { |
| /* Check for LTE fused targets or APQ. Default to MSM */ |
| if (board_info_v5.fused_chip == MDM9200) |
| baseband = BASEBAND_CSFB; |
| else if (board_info_v5.fused_chip == MDM9600) |
| baseband = BASEBAND_SVLTE2A; |
| else if (board_info_v5.board_info_v3.msm_id == APQ8060) |
| baseband = BASEBAND_APQ; |
| else |
| baseband = BASEBAND_MSM; |
| } |
| } |
| else if (format >= 6) |
| { |
| board_info_len = sizeof(board_info_v6); |
| |
| smem_status = smem_read_alloc_entry(SMEM_BOARD_INFO_LOCATION, |
| &board_info_v6, board_info_len); |
| if(!smem_status) |
| { |
| /* Check for LTE fused targets or APQ. Default to MSM */ |
| if (board_info_v6.platform_subtype == HW_PLATFORM_SUBTYPE_CSFB) |
| baseband = BASEBAND_CSFB; |
| else if (board_info_v6.platform_subtype == HW_PLATFORM_SUBTYPE_SVLTE2A) |
| baseband = BASEBAND_SVLTE2A; |
| else if (board_info_v6.board_info_v3.msm_id == APQ8060) |
| baseband = BASEBAND_APQ; |
| else |
| baseband = BASEBAND_MSM; |
| } |
| } |
| } |
| return baseband; |
| } |
| |
| static unsigned target_check_power_on_reason(void) |
| { |
| unsigned power_on_status = 0; |
| unsigned int status_len = sizeof(power_on_status); |
| unsigned smem_status; |
| |
| smem_status = smem_read_alloc_entry(SMEM_POWER_ON_STATUS_INFO, |
| &power_on_status, status_len); |
| |
| if (smem_status) |
| { |
| dprintf(CRITICAL, "ERROR: unable to read shared memory for power on reason\n"); |
| } |
| dprintf(INFO,"Power on reason %u\n", power_on_status); |
| return power_on_status; |
| } |
| |
| static void target_shutdown_for_rtc_alarm(void) |
| { |
| if (target_check_power_on_reason() == PWR_ON_EVENT_RTC_ALARM) |
| { |
| dprintf(CRITICAL, "Power on due to RTC alarm. Going to shutdown!!\n"); |
| pm8058_rtc0_alarm_irq_disable(); |
| shutdown_device(); |
| } |
| } |
| |
| unsigned target_pause_for_battery_charge(void) |
| { |
| if (target_check_power_on_reason() == PWR_ON_EVENT_USB_CHG) |
| return 1; |
| |
| return 0; |
| } |
| |
| void target_serialno(unsigned char *buf) |
| { |
| unsigned int serialno; |
| if(target_is_emmc_boot()) |
| { |
| serialno = mmc_get_psn(); |
| sprintf((char *) buf, "%x", serialno); |
| } |
| } |
| |
| void hsusb_gpio_init(void) |
| { |
| uint32_t func; |
| uint32_t pull; |
| uint32_t dir; |
| uint32_t enable; |
| uint32_t drv; |
| |
| /* GPIO 131 and 132 need to be configured for connecting to USB HS PHY */ |
| |
| func = 0; |
| enable = 1; |
| pull = GPIO_NO_PULL; |
| dir = 2; |
| drv = GPIO_2MA; |
| gpio_tlmm_config(131, func, dir, pull, drv, enable); |
| gpio_set(131, dir); |
| |
| func = 0; |
| enable = 1; |
| pull = GPIO_NO_PULL; |
| dir = 1; |
| drv = GPIO_2MA; |
| gpio_tlmm_config(132, func, dir, pull, drv, enable); |
| gpio_set(132, dir); |
| |
| return; |
| } |
| |
| uint8_t target_uart_gsbi(void) |
| { |
| return uart_gsbi_id; |
| } |